Data showing that the disappearing message service was forecast to chip away at Facebook Inc.’s (NASDAQ:FB) dominance in the space over the next few years gave bulls something to cheer about and added about 11% to the stock’s value between Aug. 11 and Sept. 18. Source: Shutterstock Predictably, however, the self-proclaimed “camera company” gave up the majority of those gains the following week. The trouble with SNAP is that the firm’s offerings aren’t all that different from its bigger and better financed rival Facebook. Sure, Facebook is losing momentum among teens, but many of those users are abandoning the site in favor of Instagram, which is also owned by FB.